JEE · NEET Previous Year Question
Incorrect statement for Tyndall effect is :-
Topic: JEE PYQ
Answer: B. Full step-by-step solution below.
- AThe refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude.
- BThe diameter of the dispersed particles is much smaller than the wavelength of the light used.
- CDuring projection of movies in the cinemas hall, Tyndall effect is noticed.
- DIt is used to distinguish a true solution from a colloidal solution.
Correct answer: B
Solution
(b)The diameter of dispersed particle should be somewhat below or near the wavelength of light.
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